Combined throttle-valve and lubricator.



UNITED STATES PATENT OFFICE.

ETEROME J. AULL, OF; CINCINNATI, OHIO, ASSIGNOR TO THE LUNKEN'HEIMERCOMPANY, 'OF' CINCINNATI, OHIO, A CORPORATION OF OHIO.

COMBINED THROTTLE-VALVE AND LUBRIGATOR.

-- no. 910,445; v v

r Ohio, have invented certain new and useful Improvements, in a CombinedThrottle- Valve and Lubricator, of which the following is a full, clear,and exact description, reference being had to the accompanying 10drawings, forming part of this specifica- My invention relates tocombined air throttle" valves and lubricators, such as are used inconnection with pneumatic drills andthe like, inlwhich the oil is fed tothe throttle valve in small quantities, to be carried into the c ,linderwith the compressed air when the Va ve is open. The invention consistsof that certain simple and effective construction to be hereinafterparticularly pointed'out and claimed, in which apassagewayis drilledthrough the valveplug in a line with the valve opening through the plug,and an oil reservoir is provided to feed t e oil .into the passagewaywhen the valve is closed,land when the valve is open to expose thispassageway to the pressure of the incoming air to carry the 5 "oildelivered to the plug into the cylinder.

In the drawings Figure 1 is a side elevation, artly in vertical sectionof my imrove construction with the valveclosed. ig. 2 is a similar viewwith the valve 0 cn. Fig. 3 is a central section, taken in a pliine atright angles to the section shown injiig.

2,with the valve open.

1 is the ;casi'ng,'provided sl ightly conical bore to receive the taered hollow v plug 2. The casing is provi ed with the 40. screw threadedports 3, 4:,for connection with the pipe line, and either port may beused forthe inlet; 'The plug is provided with the usual diamond shapeopenings 5, 6, for the passa e of the'air when the valve is 4 open. Thep ug is turned to open or close a the valve by. the lever7, secured onthe squared end 8, of the plug, and the lug is held in its seatby thespring presse plate 9, having a central lug 10, bearing in a recess 0 inthe top surface of the plug, the plug being held in position by thescrew cap 11, which is hollowed out to allow for the seating of thecoiled spring, attached to the plate 9. The holes 16, 16 are boredthrough the lar'geend of the plug, in order to allow the Specificationof Letters Patent, V Application filed-October 7,.1908- Serial No.456,590.

the bottom wall of the reservoir into tie pressed air will force itselfthrough the Patented Jan. 19, 1909.

pressure of the compressed air to equalize itself-on the enclof the pluThe casing 1 is provided on its u per' si e with a reservoir l2, closedby t e screw cap 13. This reservoir is preferably cast integral with thecasing.

14 is a passageway drilled through the body of the plug preferablyenlarged at either end at 15, 15. This passageway opens at each end intothe inlet and outlet ports of the valve, the passageway being preferablyin line with the openings 5 and 6, through the plug.

17 is an oil feed opening, formed throu h plug chamber, in such aposition that when the valve is closed, the feed opening 17 willregister with the passageway 14, and the oil will feed by gravity andfill up this passageway. .In order to insure flow of oil into thepassageway, its diameter is enlarged as shown at the ends. When thevalve is open, the passageway 14, being in line with the passagewaythrough the plug, the compassageway containing the oil, as well asthrough the plug openings, and carry the oil'into the cylinder.

' The construction above described, forms an exceedingly compact andsimple arrangement for feeding the lubricating oil to the cylinder inregulated quantities with each operation of the valve. Moreover theconstruction is very simple to manufacture.

All that is needed over the ordinary air throttle valve is to drill asupplemental passageway through the plug in line v ith the usualopenings, secure an oil reservoir on the casing, and provide for a feedopening from the reservoir to register with the supplemental opening inthe plug, when the valve is closed. 7

Having thus described my invention what I claimas new and desire tosecure by Letters Patent, is:

1. In a combined throttle valve and lubricator, the combination with anoil reservoir, of a valve casing attached thereto having inlet anddelivery ports, a plug seated in said casing having a valve portregistering with the inlet and delivery ports, to form a passagewaythrough the valve, a separate oil recess in said plug, and a feedopening from the reservoir registering with the oil recess when thevalve is closed, and a passageway 1 10 fer delivering the charge of oilfrom the cess in said plug extended through the plug recess to-the valvepassageway when the to form a passageway, aifeed opening fromvalve'isopen. I the. reservoir-registering with said 011 pas- 2, .Inacombinedethrottle valve and lubrisageway when the valve is closed, andsaid "5 OM01, the combination with an oil reservoir, passagewayregistering with the valve inlet 15 of a valve casing attached theretohaving inand delivery ports when the valve is open. let'an'd deliveryports, a plug seated. in said JEROME J. AULL. casing having a. valveport registering with Witnessesi theinlet; and delivery ports, to form apas- CHAS. G. WURsTER, 0' sageway throixgh the valve, a separate oil re-7 FRANK J ENGLER.

